Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals. Its reactivity allows for the introduction of fluorinated and nitro-substituted aromatic systems into larger molecules, which can enhance biological activity. Commonly employed in the preparation of herbicides and fungicides due to the electron-withdrawing nature of both fluorine and nitro groups, improving stability and target specificity. Also utilized in the development of dyes and specialty polymers where unique electronic properties are required. The acid chloride group facilitates easy amide or ester bond formation, making it valuable in multi-step organic syntheses.